Omega Seamaster 300 Professional Diver – 42mm “GR3 Edition” Deep Sea Watch

This professional diving-style timepiece is inspired by the technical design philosophy of Omega Seamaster collection, known for its maritime heritage and high-performance underwater engineering.

The watch features a 42mm stainless steel case with brushed finishing and partial polishing, creating a strong contrast between rugged tool-watch texture and refined detailing. The case architecture emphasizes durability and underwater readability.

A black ceramic unidirectional rotating bezel is paired with white enamel diving markers, designed to resist fading and wear over long-term exposure to water and pressure conditions. The bezel supports precise timing for diving oxygen management.

The dial uses a ceramic-based black surface with a wave-style engraved texture, providing depth and light reflection variation. Hour markers are applied with rhodium coating and filled with Super-LumiNova, ensuring visibility in low-light and underwater environments.

The hands are skeletonized and coated for corrosion resistance, with a dual-tone luminous system: green lume for the minute hand and bezel dot, and blue-green lume for broader dial readability, improving underwater orientation.

A domed sapphire crystal with anti-reflective coating enhances clarity and scratch resistance. The caseback is transparent sapphire, allowing viewing of the automatic movement architecture inspired by Omega’s 8800 Co-Axial system.

The watch is equipped with a screw-down crown and reinforced sealing structure, ensuring strong water resistance for professional diving use.

Strap options include a stainless steel bracelet and a durable natural rubber strap, both designed for quick interchangeability to adapt between sport and casual wear.

Overall, this Seamaster 300 GR3 edition focuses on professional diving functionality, high-contrast readability, ceramic durability, and robust mechanical performance for underwater environments.

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